package com.bit.forum.interceptor;

import com.bit.forum.config.AppConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Value("${bit-forum.login.url}")
    private String defaultURL;
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if(session != null && session.getAttribute(AppConfig.USER_SESSION)!=null){
            return true;
        }
        if(!defaultURL.startsWith("/")){
            defaultURL="/"+defaultURL;
        }
        response.sendRedirect(defaultURL);
        return false;
    }
}
